Does blender 2.8 have an autosave feature?
Blender automatically saves your scene to a temporary file every few minutes. To get to these auto saves, just reopen Blender and go to File > Recover Auto Save. 



Auto Save
 Temporary Files
Enables Auto Save. Tells Blender to automatically save a backup copy of your work-in-progress files to the Temporary Directory.

Timer
This specifies the number of minutes to wait between each Auto Save. The default value of the Blender installation is 2 minutes. The minimum is 1, and the Maximum is 60 (save every hour).